Donja, an older pup, watches younger puppies at the Defense Department's Military Working Dog Breeding Program on Lackland Air Force Base in San Antonio. Donja, an older pup, watches younger puppies at the Defense Department's Military Working Dog Breeding Program on Lackland Air Force Base in San Antonio. SHARE: Download: Full Size (8.13 MB) Tags: Photo Essays Credit: VIRIN: 773968-Y-CDD74-612.jpg Photo Gallery